Single dose dental adhesive delivery system and method and adhesive therefor
CA 2270528 A1 · Owner: The Kerr Corporation · Inventors: Ng, Daniel; Pranitis, Leo J. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dental adhesive delivery system (10) provides a capsule (11) containing a single usage amount of dental adhesive (15) in a non-resealable container (14) for use in treating a single patient. The packaged amount of adhesive (15) may include up to the amount required to treat all of the teeth needing treatment of not more than a single patient, for example in the range of approximately 0.005 to 1.0 ml. The single use container (14) is preferably formed of injected molded plastic cup (20) and includes a reservoir section (30) having a cavity (22) therein that contains the adhesive (15) and a break off section (31) that surrounds an opening (24) that receives a snap fit cap (21). The …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed November 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 14, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.